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HP 6002A
Power Supply
HP 1000
Computer
HEWLETT' PACKARD
Programming Guide
Device Introduction
The HP 6002A DC Power Supply1 employs a unique ex-
tended range technique which allows it to furnish maximum
output power over a wide range of voltage and current com-
binations.
The supply can provide a full 200 watts of output
from 20V, 10A to 50V, 4A. The output is fully adjustable
through the entire operating range of +0 to +50 volts and 0
to 10 amps by front-panel voltage and current controls.
Option 001, the HP-IB interface allows the supply
to
be
digitally controlled from a calculator, computer, or other con-
troller. Either the output voltage or current can be
programmed.
A pair of switches on the rear panel of the supply allows
selection of anyone of three modes of operation: local, HP-IB
constant voltage (CV), or HP-IB constant current
(CC).
The
6002A acts only as a listener on the bus.
Addressing
Before the 6002A can accept programming information, it
must be addressed to listen. The 6002A has listener capabil-
ity only. The switches which allow the 6002A to be addressed
as a listener are located on the rear panel. They are in the
upper right hand-corner of the box, just to the right of the
HP-IB connector.
There are seven switches, but only the left five are used.
Note that the 6002A address cannot be read directly off of the
rear panel in binary. The least significant bit is farthest to the
left as shown in figure 9-1. The octal address shown is 5.
Constant voltage (CV) or constant current (CC) operation
must also be set (also shown in figure 9-1). The HP-IB option
001 circuits are factory adjusted for CV operation
2
.
See the
"Programming"
section for more details.
1
The 6002A Operating and Service Manual (06002-90001), the
HP-IB Power Supply Interface Guide (5952-3990), and Application
Note 401-1 (5953-2800) should be used with this note.
2Constant current (GG) adjustments are also discussed in Appendix
A
of the 6002A Operating and Service Manual (06002-90001).
Application Note 401-9
System Preparations
LU Assignment
One logical unit should be assigned to the 6002A. Assuming
the switches are set to an address of 5 as shown in figure 9-1,
the LU assignment may be performed from File Manager,
:SYLU,17,10,S8
This statement would assign LU 17 to equipment
table
10.
The device address associated with LU 17
would
be 5.
ADDRESS
SWITCH
1
-7
~
IGNORED
D
D
Figure 9-1. 6002A Listen Address and Mode Switches
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